Microworld

world of amoeboid organisms

Menu

Leptomyxa flabellata (Goodey, 1915) Smirnov et al., 2016

Diagnose: Cells varying in size, c. 50-500 µm, according to nuclear number, but often toward lower end of range, exceptionally larger; number of nuclei c. 10, rarely more than 50; double walled cysts, but size like the amoebae, very variable; mitochondria round or cylindrical with tubular cristae; golgi arranged as stacks

Dimensions: Length in locomotion 50–500 µm; cysts 25–65 µm (mean 40 µm). Nucleus 14–17 µm in diameter.

Ecoloy: Freshwater.

Recent posts

Euglypha bryophila

Euglypha bryophila, after Brown, 1911 (L), from Ecuador (R) Euglypha bryophila  Brown, 1911 Diagnosis: (Original description) The test is very regular in form and subject

Read More »

Vernalophrys

(A) A Scenedesmus cell (arrow) is engulfed by a trophozoite. (B) Several Scenedesmus cells adhere to the surface of a plasmodium that has numerous vacuoles

Read More »

Actinosphaeridium spec.

Actinosphaeridium spec. Diagnosis: Cell surrounded by a membranous shell, with an outer mucous layer. Filopodia with granules, sometimes branching. Cell stalked. Ecology: I found this

Read More »

Euglyphidion

Euglyphidion enigmaticum – after Bonnet, 1960 Genus Euglyphidion Bonnet, 196 Diagnosis: Shell hyaline, ovoid, pseudostome circular or slightly elliptical. Shell loosely covered with two types of

Read More »

Leptomyxa spec.

Leptomyxa sp., slowly retracting in response to the light of the microscope Leptomyxa sp. Diagnose: This is a very large amoeba which I found in

Read More »

Zivkovicia spec.

Zivkovicia spec., 200 µm long; the right image is viewed through the aperture Zivkovicia spec.  Diagnosis: Shell pyriform, circular in oral view, with a clear

Read More »